User's Manual

Table Of Contents
This antenna connection IS NOT compatible with an OEM75 antenna.
Table 5: P401 Pin Configuration
Pin
Signal Name
Type
Function
1
ATX
Output
13.56 MHz antenna driving signal
2
GND
Reference
Antenna ground reference
3
PING_LVL
Input
Signals for low power card detection in ULPM
4
PING_SIG
Output
5
PING_EN
Output
3.3.5 E501/E502 Prox Antenna Connector
Table 6: E501/E502 Pin Configuration
Pin Signal Name Type Function
E501
PROX_TX1
Output
125 kHz antenna driving signal
E502
PROX_TX2
Output